ratchet

n.

1. A mechanism consisting of a pawl that engages the sloping teeth of a wheel or bar, permitting motion in one direction only.
2. The pawl, wheel, or bar of this mechanism.

v., -et·ed, -et·ing, -ets.

v.tr.
To cause to increase or decrease by increments: "Some companies . . . may make things worse if they seek to ratchet down their medical expenses by limiting benefits for psychological or psychiatric care" (Newsweek).

v.intr.
To increase or decrease by increments.

[French rochet, from Old French rocquet, head of a lance (from the shape of the teeth), of Germanic origin.]

For more information on ratchet, visit Britannica.com.

A steplocking device on surgical instruments. As the handles are closed the jaws are also closed and the ratchet holds them in a locked position. The ratchet consists of a notched bar on each handle, the notches facing and overriding when the handles are closed.

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Dansk (Danish)
n. - skralde, skraldeanordning
v. tr. - skralde

idioms:

• ratchet up    forøge, optrappe

Nederlands (Dutch)
pal(rad), van pal voorzien, stapje voor stapje (laten) bewegen

Français (French)
n. - crémaillère, roue à rochet, (Tech, Écon) cliquet
v. tr. - faire augmenter (les prix)

idioms:

• ratchet up    faire augmenter (les prix)

Deutsch (German)
n. - Sperrklinke, Klinkenrad
v. - mit einer Sperrklinke versehen, ein Zahnprofil geben

idioms:

• ratchet up    sich wie unter der Kontrolle eines Zahnkranzes bewegen

Ελληνική (Greek)
n. - (μηχαν.) καστάνια, οδοντωτός τροχός, ανασταλτική οδόντωση
v. - εφοδιάζω/εξοπλίζω με καστάνια

idioms:

• ratchet up    αυξάνω βαθμιαία

Italiano (Italian)
cricchetto, armare di cricchetto

idioms:

• ratchet up    spostare un po' alla volta

Português (Portuguese)
n. - trinco de catraca (m) (Mec.)
v. - rodar na mesma direção

idioms:

• ratchet up    preparar em etapas

Русский (Russian)
храповик, собачка, снабжать храповым механизмом

idioms:

• ratchet up    постепенно повышать

Español (Spanish)
n. - trinquete, retén
v. tr. - subir con trinquete

idioms:

• ratchet up    alzar o subir por efecto de trinquete

Svenska (Swedish)
n. - spärrhake, tjat
v. - spärra, tjata

中文（简体）(Chinese (Simplified))
棘齿

idioms:

• ratchet up    一步步推动

中文（繁體）(Chinese (Traditional))
n. - 棘齒
v. tr. - 棘齒

idioms:

• ratchet up    一步步推動

한국어 (Korean)
n. - 갈쭉톱니바퀴, 바퀴쐐기
v. tr. - 래치트를 달다, 바퀴를 래치트식으로 하다

idioms:

• ratchet up    단계적으로 증가 시키다

日本語 (Japanese)
n. - つめ車装置, つめ車, ラチェット, 追い歯
v. - つめ車で動かす, つめ車を付ける

idioms:

• ratchet up    ラチェットをとり付ける

العربيه (Arabic)
‏(الاسم) السقاطه, ترس, سقاطه (فعل) يزيد تدريجيا‏

עברית (Hebrew)
n. - ‮מערכת שיניים בקצה גלגל או מוט כדי להבטיח תנועה בכיוון אחד בלבד, מחגר‬
v. tr. - ‮התקין מערכת שיניים על מוט או גלגל, נע בשליטת מערכת שיניים‬

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ratchet	ratchet clank
ratchet and clank	ratchet deadlocked